Saturn Articles

• Sun
  Geomagnetic Storms
  Solar Flare
  Renewable Energy
  Atmosphere
  Northern Lights
   
  

  Solar radiation

  Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other ... > more
• Sun
  Solar Flare
  Northern Lights
  Satellites
  Astronomy
  Solar System
   
  

  Geomagnetic storm

  A geomagnetic storm is a temporary disturbance of the Earth's magnetosphere. Associated with solar coronal mass ejections, coronal holes, or solar flares, a geomagnetic storm is caused by a solar ... > more
• Stars
  Extrasolar Planets
  Astronomy
  Galaxies
  Black Holes
  Cosmology
   
  

  Star Trek

  Star Trek is an American science fiction franchise. In addition to six television programs including the original 1966 Star Trek, the same fictional universe created by Gene Roddenberry is the ... > more
• Sun
  Black Holes
  Moon
  Asteroids, Comets and Meteors
  Solar Flare
  Pluto
   
  

  Precession

  Precession refers to a change in the direction of the axis of a rotating object. In certain contexts, "precession" may refer to the precession that the Earth experiences, the effects of this type of ... > more
• Earth Science
  Geology
  Geomagnetic Storms
  Near-Earth Object Impacts
  Stars
  Asteroids, Comets and Meteors
   
  

  Precession of the equinoxes

  The precession of the equinoxes refers to the precession of Earth's axis of rotation with respect to inertial space. The precession of the equinoxes is caused by the differential gravitational forces ... > more
• Space Station
  Asteroids, Comets and Meteors
  NASA
  Space Exploration
  Space Probes
  Satellites
   
  

  Space debris

  Space debris or orbital debris, also called space junk and space waste, are the objects in orbit around Earth created by man that no longer serve any useful purpose. They consist of everything from ... > more
• Asteroids, Comets and Meteors
  Solar System
  Astronomy
  Pluto
  Satellites
  Solar Flare
   

  Near-Earth asteroid

  Near-Earth asteroids (NEAs) are asteroids whose orbits are close to Earth's orbit. Some NEAs' orbits intersect Earth's so they pose a collision danger. On the other hand, NEAs are most easily ... > more
• Venus
  Solar System
  Sun
  Astronomy
  Solar Flare
  Extrasolar Planets
   
  

  Transit of Venus

  A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and Earth, becoming visible against (and hence obscuring a small portion of) the solar disk. During ... > more
• Asteroids, Comets and Meteors
  Near-Earth Object Impacts
  Atmosphere
  Earth Science
  Geology
  Mars
   
  

  Meteor

  A meteor is the visible path of a meteoroid that enters the Earth's (or another body's) atmosphere, commonly called a shooting star or falling star. A meteor is a meteoroid that has entered the ... > more
• Mars
  Space Missions
  NASA
  Space Exploration
  Solar System
  Space Probes
   
  

  Exploration of Mars

  The exploration of Mars has been an important part of the space exploration missions of the Soviet Union (later Russia), the United States, Europe, and Japan. Dozens of unmanned spacecraft, including ... > more

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